Method for remote detection of volatile taggant

Details Method for remote detection of volatile taggant Method for remote detection of volatile taggant

1996-12-21

2000-02-15

Alexander, Lyle A.

Chemistry: analytical and immunological testing

Tracers or tags

436164, 436816, 436 27, 422 83, 73 232, G01N 3322

Patent

active

060252006

ABSTRACT:
A method of tagging and detecting objects is disclosed which comprises the steps of: (a) applying a volatile taggant to the object; and (b) subsequently detecting the presence of the taggant by the absorption, transmittance, reflectance, photon emission or fluorescence of the taggant and therefore a proximity of the tagged object. The present invention therefore provides optical sensing means which do not require physical separation of differing compounds for discrimination thereof.

REFERENCES:
patent: 3991680 (1976-11-01), Dietz et al.
patent: 4256038 (1981-03-01), Dietz et al.
patent: 4944921 (1990-07-01), Colby et al.
patent: 5345809 (1994-09-01), Corrigan et al.
patent: 5409839 (1995-04-01), Balestrieri et al.
patent: 5585575 (1996-12-01), Corrigan et al.

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